*{
  padding: 0;
  margin: 0;
  -webkit-touch-callout:none;
  -webkit-user-select:none;
  -khtml-user-select:none;
  -moz-user-select:none;
  -ms-user-select:none;
  user-select:none;
}
html{
  font-size: 62.5%;
}
body{
  font-size: 1.6rem;
}
img{
  width: 100%;
}
.header .codeShow{
  margin-top: -4rem;
}
.codeShow{
  color: #ffffff;
  text-align: center;
}
.content{
  margin-top:3rem;
}
button{
  background-color: transparent;
  outline: 0;
  border: 1px solid #ffffff;
  color: #ffffff;
  padding: 0.2rem 0.4rem;
  border-radius: 5px;
margin-left: 0.5rem;
}
button:link,button:visited,button:hover,button:active{
  color: #ffffff;
}

.rule-content{
  color: #666;
  font-size: 1.5rem;
  padding: 3rem 2rem;

}
.rule-content h4{
  color: #000000;
  font-size: 1.6rem;
}
.rule-content span{
  font-size: 1.2rem;
  color: #707070;
}
.rule-content dl{
  margin-top: 2rem;
}
.rule-content dt{
  font-weight: 700;
  color: #ff9600;
  margin-bottom: 0.5rem;
}
.rule-content dd{
  font-size: 1.4rem;
  line-height: 1.5;
}
#code{
    -webkit-touch-callout:default;
    -webkit-user-select:text;
    -khtml-user-select:text;
    -moz-user-select:text;
    -ms-user-select:text;
    user-select:text;
}
@media  screen and (max-width: 320px) {
  html {
    font-size: 50%;
  }
}


@media  screen and (min-width: 680px){
  html {
    font-size: 100%;
  }
}